Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mullite composite brick as well as preparation method and application thereof
The invention provides a mullite composite brick as well as a preparation method and application thereof, and belongs to the technical field of refractory materials. The preparation method comprises the following steps: etching an MAX phase by hydrofluoric acid to prepare MXene, carrying out sol-gel reaction to prepare Si/Al oxide intercalation MXene, carrying out polydopamine modification, adding the modified MXene into a sodium-based montmorillonite suspension to prepare intercalation montmorillonite, uniformly stirring and mixing the intercalation montmorillonite with an adhesive, high bauxite and silicon carbide powder, carrying out mechanical pressing, and calcining to prepare the mullite composite brick. The mullite composite brick prepared by the invention has better heat preservation, heat insulation, fire resistance and mechanical properties and excellent alkali resistance, the bonding strength is improved, the service life of the prepared mullite composite brick is prolonged, the mullite composite brick has a very good heat preservation effect, and the heat loss is reduced, so that an energy-saving effect is achieved, and the mullite composite brick has a wide application prospect.
本发明提出了一种莫来石复合砖及其制备方法和应用，属于耐火材料技术领域。通过氢氟酸刻蚀MAX相制备MXene，溶胶凝胶反应制备Si/Al氧化物插层MXene，经过聚多巴胺改性，加入钠基蒙脱石悬浮液中制得插层蒙脱石，与粘合剂、高铝矾土、碳化硅粉搅拌混合均匀，机压成型，煅烧，制得莫来石复合砖。本发明制得的莫来石复合砖具有较好的保温、隔热、耐火以及力学性能，耐碱性能佳，提高了粘结强度，延长了制得的莫来石复合砖的使用寿命，具有很好的保温效果，减少热损失，从而起到了节能的作用，具有广阔的应用前景。
Mullite composite brick as well as preparation method and application thereof
The invention provides a mullite composite brick as well as a preparation method and application thereof, and belongs to the technical field of refractory materials. The preparation method comprises the following steps: etching an MAX phase by hydrofluoric acid to prepare MXene, carrying out sol-gel reaction to prepare Si/Al oxide intercalation MXene, carrying out polydopamine modification, adding the modified MXene into a sodium-based montmorillonite suspension to prepare intercalation montmorillonite, uniformly stirring and mixing the intercalation montmorillonite with an adhesive, high bauxite and silicon carbide powder, carrying out mechanical pressing, and calcining to prepare the mullite composite brick. The mullite composite brick prepared by the invention has better heat preservation, heat insulation, fire resistance and mechanical properties and excellent alkali resistance, the bonding strength is improved, the service life of the prepared mullite composite brick is prolonged, the mullite composite brick has a very good heat preservation effect, and the heat loss is reduced, so that an energy-saving effect is achieved, and the mullite composite brick has a wide application prospect.
本发明提出了一种莫来石复合砖及其制备方法和应用，属于耐火材料技术领域。通过氢氟酸刻蚀MAX相制备MXene，溶胶凝胶反应制备Si/Al氧化物插层MXene，经过聚多巴胺改性，加入钠基蒙脱石悬浮液中制得插层蒙脱石，与粘合剂、高铝矾土、碳化硅粉搅拌混合均匀，机压成型，煅烧，制得莫来石复合砖。本发明制得的莫来石复合砖具有较好的保温、隔热、耐火以及力学性能，耐碱性能佳，提高了粘结强度，延长了制得的莫来石复合砖的使用寿命，具有很好的保温效果，减少热损失，从而起到了节能的作用，具有广阔的应用前景。
Mullite composite brick as well as preparation method and application thereof
一种莫来石复合砖及其制备方法和应用
SHEN JINLONG (Autor:in) / TIAN SHUXIANG (Autor:in) / SHIN WOOK (Autor:in)
30.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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